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diff --git a/src/plugins/cpptools/TypeHierarchyBuilder.h b/src/plugins/cpptools/TypeHierarchyBuilder.h
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+/**************************************************************************
+**
+** This file is part of Qt Creator
+**
+** Copyright (c) 2012 Nokia Corporation and/or its subsidiary(-ies).
+**
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+**
+** GNU Lesser General Public License Usage
+**
+** This file may be used under the terms of the GNU Lesser General Public
+** License version 2.1 as published by the Free Software Foundation and
+** appearing in the file LICENSE.LGPL included in the packaging of this file.
+** Please review the following information to ensure the GNU Lesser General
+** Public License version 2.1 requirements will be met:
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** Other Usage
+**
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**************************************************************************/
+
+#ifndef FINDDERIVEDCLASSES_H
+#define FINDDERIVEDCLASSES_H
+
+#include "CppDocument.h"
+#include "ModelManagerInterface.h"
+#include "Overview.h"
+#include "cpptools_global.h"
+
+#include <QList>
+#include <QStringList>
+#include <QSet>
+
+namespace CPlusPlus {
+
+class CPPTOOLS_EXPORT TypeHierarchy
+{
+    friend class TypeHierarchyBuilder;
+
+public:
+    TypeHierarchy();
+    TypeHierarchy(Symbol *symbol);
+
+    Symbol *symbol() const;
+    const QList<TypeHierarchy> &hierarchy() const;
+
+private:
+    Symbol *_symbol;
+    QList<TypeHierarchy> _hierarchy;
+};
+
+class CPPTOOLS_EXPORT TypeHierarchyBuilder
+{
+public:
+    TypeHierarchyBuilder(Symbol *symbol, const Snapshot &snapshot);
+
+    TypeHierarchy buildDerivedTypeHierarchy();
+
+private:
+    void reset();
+    void buildDerived(TypeHierarchy *typeHierarchy);
+
+    Symbol *_symbol;
+    Snapshot _snapshot;
+    QStringList _dependencies;
+    QSet<Symbol *> _visited;
+    QHash<QString, QSet<QString> > _candidates;
+    Overview _overview;
+};
+
+} // CPlusPlus
+
+#endif // FINDDERIVEDCLASSES_H